Signal generator for a digital speedometer signal.
The 8P module generates 8 electrical pulses per speedometer shaft revolution.
With a k-number of approx. 500 (T3-2WD), this results in 4000 pulses per revolution.
- 2WD speedometer: W=500 ⇢ 500 speedometer shaft revolutions per km ⇢ with 8P module ⇢ 4000 pulses per km
- 4WD speedometer: W=1000 ⇢ 1000 speedometer shaft revolutions per km ⇢ with 8P module ⇢ 8000 pulses per km
Depending on the control unit/signal processor unit used, a tachometer signal can be generated with 5V or 12V. Via a solder bridge, the signal voltage can also be adjusted subsequently.